Whole-home duct cleaning
Dryer vent cleaning
Camera inspection
Sanitizing & deodorizingWhole-system duct and dryer vent check with before-and-after photos - you see exactly what came out of your vents
That "$99 whole-house special" is a bait ad - the real number appears once they are in your hallway, or the "clean" is a shop-vac at the register. We photograph the inside of your ducts before and after instead.
Trusted Air Duct Repair for St. Petersburg Homeowners
Ductwork that has torn, separated, or collapsed doesn’t just waste money. It pulls attic insulation, dust, and outside air straight into the air your family breathes. Shield Air Duct Cleaning repairs compromised duct systems across St. Petersburg, and in many cases we can get a technician to your door the same day. Our technicians have up to 12 years of experience, and they work with professional-grade equipment including Rotobrush and Nikro systems. We don’t just clean ducts and walk away. We clean it, repair it, and protect it. Call (855) 967-4983 for a free estimate.
HVAC Duct Installation
HVAC Duct Installation is the work of designing and fitting a new duct system to serve your heating and cooling equipment, and it makes sense when your existing ducts were never sized correctly, when a room addition needs its own supply and return runs, or when a system change leaves the old layout behind. We assess the layout, the register count, and how the equipment actually moves air before anything goes in. Shield Air Duct Cleaning handles the full scope, then checks static pressure so the new runs aren’t working against the blower. Most whole-home installations in St. Petersburg land somewhere between $2,800 and $7,500 depending on the number of runs and how accessible the attic space is. The written estimate sets the final price before work starts.
Sizing and Layout Planning
Every installation starts with a room-by-room calculation of how much air each space needs. We match supply and return sizing to the equipment so the system isn’t starved or over-pressurized. Poor layout planning is the most common reason a brand-new duct system underperforms from day one.
Sealing the New System
New ductwork is only as good as its joints. We seal connections and penetrations with mastic and proper mechanical fastening rather than tape alone. That keeps conditioned air in the ducts where it belongs and keeps attic air out.
Styles & brands we work with
- Whole-home duct cleaning
- Dryer vent cleaning
- Camera inspection
- Sanitizing & deodorizing
Air Duct Replacement
Air Duct Replacement means removing an existing duct system and installing new runs in its place, and it’s usually the right call for ductboard that has soaked up moisture, flex duct that has been crushed in multiple spots, or a layout so old it no longer matches the equipment. We inspect the full run before recommending replacement, because a small number of failed sections rarely justifies tearing everything out. When it does, we remove the old material cleanly, protect your living space, and install new insulated runs sized to your system. Typical replacement in St. Petersburg runs $2,200 to $6,500 depending on home size and how much of the system is being rebuilt. You’ll get a written estimate before we touch anything.
When Repair Stops Making Sense
If failed sections outnumber sound ones, patching becomes a cycle of return visits. We’ll show you what we found and explain where replacement is the more durable answer. The decision is always yours, made with photos in hand.
Disposal and Cleanup
Old duct material comes out of the house, not into a corner of the attic. We protect floors and furnishings along the route and haul the removed material away. Your home should look the same when we leave as it did when we arrived.
Ductwork Repair
Ductwork Repair covers the targeted fixes that restore a duct system without replacing it: reconnecting separated joints, patching tears in flex duct, sealing leaks at plenums and boots, and re-supporting runs that have sagged. Crawl space and attic humidity in St. Petersburg is hard on ductboard and on the tape and mastic holding joints together, so separation and deterioration are common finds. We locate the failure, fix it properly, and seal the repair so it holds. Small Ductwork Repair jobs in St. Petersburg usually fall between $250 and $900, with larger multi-point work quoted higher. The written estimate sets the final price.
Finding the Leaks That Matter
We check joints at the plenum, the boots, and every transition, plus the runs you can’t see from the access panel. Visual inspection along the full length catches the collapsed sections that pressure readings alone can miss. Duct leakage is often worse at connections than in the middle of a run.
Repairs That Hold
We use mechanical fastening plus mastic rather than tape alone, because tape fails in attic heat. Supports get reset so runs aren’t pinched or sagging. A repair is only worth doing if it lasts.
Duct Replacement
Duct Replacement is the swap-out of failed or undersized duct runs for new material, and it comes up when a section of the system has degraded past the point where patching will hold, or when the original install used materials that don’t belong in a Florida attic. We scope the work run by run so you’re not paying to replace ductwork that’s still sound. New runs go in insulated and sized to the equipment, with sealed connections throughout. Duct Replacement on a typical St. Petersburg home runs $1,400 to $4,200 depending on how much of the system is being swapped. The estimate is free, and the written price is what you pay.
Material Choices That Suit Florida Attics
Attic heat and humidity wear on ductboard and on flex duct’s outer jacket. We talk through the options for your space and your budget rather than pushing the most expensive material. The right choice depends on accessibility and how the run is supported.
Keeping the Rest of the System Intact
Replacing one section doesn’t mean disturbing the rest. We isolate the work area, contain dust with HEPA-level Abatement Technologies equipment where needed, and tie the new runs back into the existing system cleanly.
Ductwork Installation
Ductwork Installation is the fitting of new duct runs, whether that’s extending a system into a converted garage, adding a return to fix a pressure imbalance, or building out supply runs for a new mini-split or packaged unit. It’s a job for someone who understands airflow, not just someone who can hang flex. We plan the routing, size each run, and seal every connection before we call it finished. Smaller Ductwork Installation jobs in St. Petersburg usually run $600 to $2,400 depending on run count and access. Larger projects are quoted individually, and the written estimate sets the final number.
Returns and Pressure Balance
Adding supply without enough return is a common mistake that leaves rooms pressurized and doors that won’t close quietly. We size returns to match. Balanced pressure is what makes a system quiet and efficient.
Register and Boot Placement
Where a register lands determines whether a room is comfortable or drafty. We place boots to throw air where people actually sit and sleep. Small placement decisions make a big difference in how a room feels.
Brands We Service
We work around Honeywell and Aprilaire filtration and IAQ equipment regularly, which means we understand how a whole-home filter or humidifier interacts with duct pressure and airflow. A repair that ignores the filtration setup can undo itself. We also deploy Abatement Technologies equipment on jobs where containment matters, such as after a renovation or when contamination is a concern.
Familiarity with these systems is part of how we diagnose duct problems rather than just cleaning around them. Whether you have Honeywell, Aprilaire, or any other make of air quality equipment tied into your ducts, we can help.
See the difference
Before
After
Before
After
Before
AfterSigns You Need a Pro Right Now
- Rooms that never get comfortable. A room that stays hot while the rest of the house cools usually points to a disconnected or crushed run. Patching the symptom with a bigger unit won’t fix it.
- Visible dust streaks around registers. Streaking at the grille means air is escaping at the boot or the joint behind it. That’s a leak pulling attic dust into the living space.
- Higher energy bills with no other change. Leaking ducts push the system to run longer to hit the same temperature. A jump in cost with no rate change is worth investigating.
- Musty or dusty smell when the air kicks on. Odor on startup often means the ducts have pulled in moisture or debris from a failed connection. It’s a sign to look inside, not to mask it.
- Ductwork you can see sagging or torn. Flex duct that has collapsed or lost its outer jacket can’t move air the way it was designed to. Visible damage is the clearest reason to call.
Our Process, Step by Step
- 1
Inspection and airflow check. We look at every accessible run, check joints at the plenum and boots, and measure static pressure to see how the system is actually performing. Photos document what we find.
- 2
Written scope and flat price. You get a written estimate covering exactly what will be repaired or installed. One flat price per system, agreed before any work begins, with no per-vent pricing and no surprise additions.
- 3
Containment. On jobs where dust and debris matter, we set up Abatement Technologies containment so the work area stays isolated. Floors and furnishings along the route get protected.
- 4
The repair or install. Our technicians do the reconnect, patch, or new installation with mechanical fastening and mastic, using Rotobrush and Nikro equipment where cleaning is part of the job. You’ll see before-and-after photos of your own ductwork.
- 5
Final check and walkthrough. We verify airflow after the work, confirm the repairs hold, and walk you through what was done. If something needs a follow-up look, we tell you plainly.
How Much Does Air Duct Repair Cost in St. Petersburg?
Air duct repair in St. Petersburg generally runs $250 to $900 for targeted fixes such as reconnecting a separated joint or sealing a leak, and $1,400 to $7,500 for replacement or new installation depending on how much of the system is involved. A typical single-point repair with sealing runs $300 to $600 depending on access and the material involved. A partial system rebuild in a mid-size St. Petersburg home usually lands between $2,200 and $4,200. Whole-home HVAC duct installation sits higher, in the $2,800 to $7,500 range, because it involves designing and fitting an entire new layout.
What affects the price: how many failure points exist, whether the work is in an attic or crawl space, the material you choose, and whether cleaning is needed before repair. Access is often the biggest variable. A run buried under insulation or routed through a tight chase takes longer than one with clear access.
How to avoid overpaying: ask for a written scope with photos, and be skeptical of a low teaser figure that grows once the technician is on site. We set one flat price per system before work starts, so the number you agree to is the number you pay.
A free estimate includes a full inspection of accessible ductwork, an airflow check, and a written price with no obligation. Call (855) 967-4983 and we’ll get you scheduled. We answer 24/7, with fast dispatch from 7am to 7pm, Sunday through Friday.
Our Service Area Near St. Petersburg
We serve homeowners throughout St. Petersburg and the surrounding communities, including Tierra Verde, Bay Pines, Madeira Beach, Feather Sound, Ridgecrest, Harbor Bluffs, Indian Rocks Beach, Ellenton, Greenbriar, Holmes Beach, and West Bradenton. Dispatch runs Sunday through Friday, 7am to 7pm, and most nearby addresses fall within a short drive. If you’re outside these areas, call and we’ll tell you whether we can reach you. Learn more about our St. Petersburg coverage or our work in Tierra Verde and Bay Pines.
Serving St. Petersburg, FL – Our Local Coverage Area
We serve St. Petersburg and nearby communities. Use the map below to see the area we cover. If you’re nearby, we can almost certainly help.
Frequently Asked Questions About Air Duct Repair in St. Petersburg
Air duct repair is the process of fixing damaged, disconnected, or leaking ductwork so your HVAC system moves air the way it was designed to. That covers reconnecting separated joints, patching torn flex duct, sealing leaks at plenums and boots, and re-supporting sagging runs. It’s different from cleaning, which removes debris from inside the ducts, though the two often go together. Call (855) 967-4983 for an exact quote – estimates are free.
A targeted repair usually takes two to four hours once the technician is on site. Larger jobs such as replacing multiple runs or a partial system rebuild can take most of a day. The written estimate tells you what to expect before we start. We answer 24/7, with fast dispatch from 7am to 7pm, Sunday through Friday.
Most repairs in St. Petersburg run $250 to $900, while partial or full replacement runs $1,400 to $7,500 depending on scope. Targeted fixes cost less than rebuilds, and access plays a big part in the final number. We set one flat price per system before any work starts, so there’s no per-vent pricing and no surprise invoice. Call (855) 967-4983 for an exact quote – estimates are free.
Yes. We work with Honeywell and Aprilaire filtration and IAQ equipment routinely, and our technicians understand how these systems interact with duct pressure and airflow. That matters because a duct repair done without accounting for the filtration setup can cause new problems. Call (855) 967-4983 to schedule an inspection.
Same-day service is often possible depending on the schedule and the scope of the job. We answer 24/7, and crews are dispatched from 7am to 7pm, Sunday through Friday. We’re closed Saturday. A call outside dispatch hours is booked into the next opening.
We stand behind our work, and the written estimate spells out what’s covered on your specific job. Rather than quote a blanket term that doesn’t fit every repair, we put the coverage in writing before work begins. If a repair doesn’t hold, we come back and make it right.
Clear access to the attic hatch or crawl space entry and move anything fragile away from the work path. If you have pets, a closed door to the work area helps. You don’t need to do anything else; the technician brings the containment and equipment needed, including HEPA-level containment on jobs that call for it.
Schedule Your Air Duct Repair Service in St. Petersburg Today
Damaged ductwork costs you money on every utility bill and pulls contaminants into the air you breathe. Shield Air Duct Cleaning repairs, replaces, and installs ductwork across St. Petersburg with professional-grade equipment and a flat price agreed before work starts. We answer 24/7, with fast dispatch from 7am to 7pm, Sunday through Friday. Call (855) 967-4983 for a free, no-obligation estimate.
Written by the team at Shield Air Duct Cleaning.